This study aims to analyze the criminal law policy in dealing with criminal cyberterrorism as a form of cyberterrorism crime. The method used is normative juridical. The results showed that cyberterrorism is a form of terror transformation carried out by terrorists by making the internet network as a tool or target of attack. Criminal law policy in Indonesia has two legal instruments that can be used as a source of law enforcement of cyber terrorism, namely Law Number 19 of 2016 concerning Amendments to Law Number 11 of 2008 concerning Electronic Information and Transactions, and Law Number 5 of 2018 concerning Amendments to Law Number 15 of 2003 concerning Eradication of Criminal Acts of Terrorism. And according to international criminal law, there are several international conventions that can be used as legal instruments to regulate cyber terrorism. These international conventions are the United Nations Convention against Transnational Organized Crime Palermo, Italy in 2000; The Budapest Convention on Cybercrime 2001; and the International Convention for the Suppression of Terrorist Bombing New York, United States in 1998.